I tested gluster nfs server with 1 nfs client. And run ltp's fs test cases on that nfs client. There seems to have 2 memory leak problem. (See my nfs server & 2 glusterfsd config file is in attach) The 2 problem describes below:
1. The glusterfs runs as nfs server exhaust system memory(1GB) in server minutes. After disable drc, this problem no longer exist. 2. After disable drc, the test run 1 day with no problem. But I found glusterfsd used more than 50% system memory(ps command line output sees below). Stop the test can not release memory. [root@server155 ~]# ps aux | grep glusterfsd root 7443 3.7 52.8 1731340 539108 ? Ssl Feb17 70:01 /usr/sbin/glusterfsd -s server155 --volfile-id vol1.server155.fsmnt-fs1 -p /var/lib/glusterd/vols/vol1/run/server155-fsmnt-fs1.pid -S /var/run/5b7fe23f0aec78ffa0e6968dece0a8b0.socket --brick-name /fsmnt/fs1 -l /var/log/glusterfs/bricks/fsmnt-fs1.log --xlator-option *-posix.glusterd-uuid=d4f3d342-dd41-4dc7-b0fc-d3ce9998d21f --brick-port 49152 --xlator-option vol1-server.listen-port=49152 I use kill -SIGUSR1 7443 to collected some dump information(in attached fsmnt-fs1.7443.dump.1392711830). Any help is appreciate!
nfs-server.vol
Description: Binary data
vol1.server115.fsmnt-fs1.vol
Description: Binary data
vol1.server155.fsmnt-fs1.vol
Description: Binary data
fsmnt-fs1.7443.dump.1392711830
Description: Binary data
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